{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "A fourth group of rats was pair fed ( food restricted ) with the P100 rats for 7 days ( FR group ) ."}
{"Disease": [], "Chemical": []}